Home / 530,942.74-732,690.77-289,222.58

Finding the Fourth Proportional to 530,942.74, 732,690.77 and 289,222.58

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Solution

The fourth proportional to 530,942.74, 732,690.77 and 289,222.58 is: 399,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,942.74 : 732,690.77 = 289,222.58 : x
  2. Step 2: Convert to fraction form
    530,942.74/732,690.77 = 289,222.58/x
  3. Step 3: Cross multiply
    530,942.74x = 732,690.77 × 289,222.58
  4. Step 4: Simplify right side
    530,942.74x = 211,910,714,841.59
  5. Step 5: Solve for x
    x = 211,910,714,841.59/530,942.74
  6. Step 6: Final answer
    x = 399,121.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.